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Viasat Inc patents


Recent patent applications related to Viasat Inc. Viasat Inc is listed as an Agent/Assignee. Note: Viasat Inc may have other listings under different names/spellings. We're not affiliated with Viasat Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "V" | Viasat Inc-related inventors


Multicast handover for mobile communications

Embodiments provide efficient multicast handover for content delivery to client devices in multi-carrier communications systems. For example, client devices in a transport craft can consume a media channel offering via a first carrier during transport through the communications system. ... Viasat Inc

Return-link routing in a hybrid network

Embodiments provide techniques for providing return-link routing in a hybrid communications network that includes a number of different networks having different characteristics. User terminal routing systems (utrss) provide interfaces between local user networks and the multiple communications networks of the hybrid network. ... Viasat Inc

Pre-fetching random-value resource locators

Once resolved, a random-value universal resource locator (rv-url) identifies a resource on a host server and constitutes an instruction to a local device executing a network transaction to fetch the resource. Embodiments of the invention resolve and pre-fetch an rv-url from a remote host server and then pre-position, on a client-side of a communications link to the remote server, both resolution information indicating how the rv-url was resolved and the pre-fetched resource. ... Viasat Inc

Methods and systems for performing antenna pointing while mitigating interference with a nearby satellite

Systems and methods are described herein for performing mispointing correction operations that can provide accurate pointing of an antenna towards a satellite, while also satisfying interference requirements with other satellites. As a result, the mispointing correction operations described herein can improve resource efficiency of communication systems using such antennas and help ensure compliance with interference requirements of other satellites.. ... Viasat Inc

Layer-2 connectivity from switch to access node/gateway

Methods, systems, and apparatuses for providing layer-2 connectivity through a non-routed ground segment network, are described. A system includes a non-autonomous gateway in communication with a satellite configured to relay data packets. ... Viasat Inc

Compact waveguide power combiner/divider for dual-polarized antenna elements

A waveguide architecture for a dual-polarized antenna including multiple antenna elements. Aspects are directed to dual-polarized antenna architectures where each antenna element includes a polarizer having an individual waveguide with dual-polarization signal propagation and divided waveguides associated with each basis polarization. ... Viasat Inc

Partial dielectric loaded septum polarizer

In an example embodiment, a waveguide device comprises: a first common waveguide; a polarizer section, the polarizer section including a conductive septum dividing the first common waveguide into a first divided waveguide portion and a second waveguide divided portion; a second waveguide coupled to the first divided waveguide portion of the polarizer section; a third waveguide coupled to the second divided waveguide portion of the polarizer section; and a dielectric insert. The dielectric insert includes a first dielectric portion partially filling the polarizer section. ... Viasat Inc

Flat radio frequency transmission line

A radio frequency (rf) transmission line includes a first conductive layer, a second conductive layer conductively isolated from the first conductive layer, a center conductor disposed between the first conductive layer and the second conductive layer, dielectric material disposed between the first conducive layer and the second conductive layer and at least partially surrounding the center conductor, and an rf choke element that conducts a direct current signal between the center conductor and the second conductive layer.. . ... Viasat Inc

Methods and systems for performing antenna pointing to overcome effects of atmospheric scintillation

Systems and methods are described herein for performing mispointing correction operations that can provide very accurate pointing of an antenna towards a satellite. In particular, mispointing correction operations described herein can reduce or avoid pointing errors due to atmospheric scintillation effects. ... Viasat Inc

Variable size linear video content buffers for uninterrupted handover in a multi-beam satellite system

Embodiments relate to systems and methods for modifying the transmission rate of media data in order to improve craft-based media playback system performance during handover events in a communication system.. . ... Viasat Inc

Equalization of frequency-dependent gain

Systems, devices, and methods for determining and establishing frequency-dependent gain compensation in wide bandwidth communication systems are disclosed. Variable frequency-dependent gain compensation circuits, or variable equalizers, have settings that configure them to establish discrete frequency-dependent gain compensation. ... Viasat Inc

Enhanced directivity feed and feed array

Disclosed is a shaped horn in conjunction with a dielectric tube for enhanced aperture directivity that can achieve a near optimum efficiency. The shaped horn provides additional mode control to provide an improved off-axis cross-polarization response. ... Viasat Inc

Methods and systems for efficient content delivery

Methods and systems for improved device authentication and presentation of media content to passengers aboard a transportation apparatus are disclosed. In some aspects, authentication of a device may be simplified based on previous associations made between the device, a user, and travel on a transportation apparatus within a particular time period. ... Viasat Inc

Methods and apparatus for providing traffic forwarder via dynamic overlay network

A process capable of facilitating network communication using forwarders or vforwarders interconnected via an overlay network is disclosed. The process, in one aspect, is able to receive a packet stream or network traffic from a customer premise equipment (“cpe”) using a point-to-point (“ptp”) connection via the overlay network. ... Viasat Inc

03/01/18 / #20180062733

Dynamic bandwidth resource allocation for satellite downlinks

Satellite communications systems, methods, and related devices are described. In one embodiment, a satellite communications system is configured to dynamically allocate bandwidth among different downlink beams. ... Viasat Inc

02/22/18 / #20180054366

Methods and systems for visualizing mobile terminal network conditions

Methods and systems for visualization of mobile terminal communication link status are disclosed. In some aspects, one or more mobile terminal icons are provided for display on a map of a geographic area at map locations representing geographic locations of the mobile terminals. ... Viasat Inc

02/08/18 / #20180041270

Beamformer for end-to-end beamforming communications system

Methods and systems are described for providing end-to-end beamforming. For example, end-to-end beamforming systems include end-to-end relays and ground networks to provide communications to user terminals located in user beam coverage areas. ... Viasat Inc

02/08/18 / #20180041269

Satellite for end-to-end beamforming

Methods and systems are described for providing end-to-end beamforming. For example, end-to-end beamforming systems include end-to-end relays and ground networks to provide communications to user terminals located in user beam coverage areas. ... Viasat Inc

02/01/18 / #20180034540

Ground network for end-to-end beamforming

Methods and systems are described for providing end-to-end beamforming. For example, end-to-end beamforming systems include end-to-end relays and ground networks to provide communications to user terminals located in user beam coverage areas. ... Viasat Inc

02/01/18 / #20180034539

End-to-end beamforming system

Methods and systems are described for providing end-to-end beamforming. For example, end-to-end beamforming systems include end-to-end relays and ground networks to provide communications to user terminals located in user beam coverage areas. ... Viasat Inc

01/25/18 / #20180026894

Methods and systems for dynamic policy based traffic steering over multiple access networks

Methods and systems for individual forward-link and return-link policies for network communication are disclosed. In some aspects, the individual forward-link and return-link policies define how data is routed over a plurality of access networks between a client-side enforcement unit and a provider-side enforcement unit. ... Viasat Inc

01/25/18 / #20180026710

Cross-band system for end-to-end beamforming

Methods and systems are described for providing end-to-end beamforming. For example, end-to-end beamforming systems include end-to-end relays and ground networks to provide communications to user terminals located in user beam coverage areas. ... Viasat Inc

01/25/18 / #20180026709

Satellite for end-to-end beamforming with non-overlapping feeder and user frequencies

Methods and systems are described for providing end-to-end beamforming. For example, end-to-end beamforming systems include end-to-end relays and ground networks to provide communications to user terminals located in user beam coverage areas. ... Viasat Inc

01/18/18 / #20180020384

Variable playback rate of streaming content for uninterrupted handover in a communication system

Embodiments relate to systems and methods for modifying the playback rate of media data in order to improve craft-based media playback system performance during handover events in a communication system.. . ... Viasat Inc

01/18/18 / #20180019811

System for end-to-end beamforming with multi-frequency access nodes

Methods and systems are described for providing end-to-end beamforming. For example, end-to-end beamforming systems include end-to-end relays and ground networks to provide communications to user terminals located in user beam coverage areas. ... Viasat Inc

01/18/18 / #20180019810

Forward and reverse calibration for ground-based beamforming

Methods and systems for calibrating the return and forward links of a satellite communication system are provided according to embodiments of the invention. The phase and/or amplitude variations caused by the return and forward links are calculated and/or estimated to aid in beamforming, such as ground-based beamforming. ... Viasat Inc

01/18/18 / #20180019806

Access node for end-to-end beamforming communications system

Methods and systems are described for providing end-to-end beamforming. For example, end-to-end beamforming systems include end-to-end relays and ground networks to provide communications to user terminals located in user beam coverage areas. ... Viasat Inc

01/18/18 / #20180019805

Access node farm for end-to-end beamforming

Methods and systems are described for providing end-to-end beamforming. For example, end-to-end beamforming systems include end-to-end relays and ground networks to provide communications to user terminals located in user beam coverage areas. ... Viasat Inc

01/18/18 / #20180019804

Ground network with access node clusters for end-to-end beamforming

Methods and systems are described for providing end-to-end beamforming. For example, end-to-end beamforming systems include end-to-end relays and ground networks to provide communications to user terminals located in user beam coverage areas. ... Viasat Inc

01/18/18 / #20180019800

Satellite for end-to-end beamforming with access node clusters

Methods and systems are described for providing end-to-end beamforming. For example, end-to-end beamforming systems include end-to-end relays and ground networks to provide communications to user terminals located in user beam coverage areas. ... Viasat Inc

01/18/18 / #20180019523

Partitioned phased array fed reflector antenna system

Systems and methods for partitioned phased array fed (pafr) antennas with improved throughput capacity are disclosed. The phased array in a ppafr antenna is partitioned into multiple partitions of antenna elements that can be operated by corresponding beam forming networks with reduce sized, weight, and power consumption characteristics to independently and simultaneously to generate angularly offset static and dynamic spot beams patterns. ... Viasat Inc

01/11/18 / #20180013488

Robust beam switch scheduling

Systems and methods are described for robust scheduling of beam switching patterns in satellite communications systems. Embodiments operate in context of a hub-spoke satellite communications architecture having a number of gateway terminals servicing large numbers of user terminals over a number of spot beams. ... Viasat Inc

01/04/18 / #20180006710

Position-based access to satellite networks for satellite terminals

The described features generally relate to receiving one or more positioning signals at a satellite terminal during installation of the satellite terminal at a customer premises, and providing position-based access to a satellite communications system based on a satellite terminal installation position determined from the received positioning signals. The determined installation position of the satellite terminal may then be employed for various network access techniques, such as providing access to the satellite communications system, providing position-based content, or restricting content via the satellite communications system based on the determined installation position. ... Viasat Inc

12/14/17 / #20170358851

Methods and systems for mitigating interference with a nearby satellite

In one embodiment, an antenna system is described. The antenna system includes a primary antenna on an aircraft. ... Viasat Inc

11/23/17 / #20170339710

Satellite network service sharing

Methods, systems, and devices are described for providing network access services to mobile users via multi-user network access terminals over a multi-beam satellite system. Quality-of-service (qos) is controlled for the mobile devices at a per-user level according to user-specific traffic policies mobile users may be provisioned on the satellite system according to a set of traffic policies based on their service level agreement (sla). ... Viasat Inc

11/16/17 / #20170331751

Enhancing capacity of a direct communication link

Capacity enhancement of a direct communication link using a variable redundancy delivery network. An estimated information rate between a source node and a terminal node may be partitioned into a first information rate provided via the direct communication link and a second information rate to be provided via the variable redundancy delivery network. ... Viasat Inc

10/12/17 / #20170295383

In-transport multi-channel media delivery

Embodiments provide efficient delivery of multiple media channels to in-transport terminals, for example, to reduce channel zapping delay in a bandwidth efficient manner. For example, an in-transport media (itm) server can distribute multiple channel offerings to itm clients in a transport craft. ... Viasat Inc

10/05/17 / #20170289625

Space shifting over forward satellite communication channels

A method for providing content from a first node to a second node using a satellite communications system includes receiving side information at a gateway in the satellite communications system. The side information may be transmitted from a subscriber terminal to the gateway via a first communication path that includes a satellite link. ... Viasat Inc

10/05/17 / #20170288769

Flexible beamforming for satellite communications

Systems and methods for supporting more flexible coverage areas and spatial capacity assignments using satellite communications systems are disclosed. A hub-spoke, bent-pipe satellite communications system includes: terminals; gateways; a controller for specifying data for controlling satellite operations in accordance with a frame definition including timeslots for a frame and defining an allocation of capacity between forward and return traffic. ... Viasat Inc

09/28/17 / #20170279519

Satellite system architecture for coverage areas of disparate demand

Disclosed is a satellite communication system that allocates bandwidth to maximize the capacity of the communication system while providing service to geographical areas having different demands. A smaller portion of the frequency spectrum can be allocated for subscriber beams that supply service to low demand areas. ... Viasat Inc

09/21/17 / #20170272301

Methods and systems for implementing a cache model in a prefetching system

The present invention relates to systems and methods of enhancing prefetch operations. One potential method comprises fetching an object from a page on a web server. ... Viasat Inc

09/14/17 / #20170263991

Partial dielectric loaded septum polarizer

In an example embodiment, a waveguide device comprises: a first common waveguide; a polarizer section, the polarizer section including a conductive septum dividing the first common waveguide into a first divided waveguide portion and a second waveguide divided portion; a second waveguide coupled to the first divided waveguide portion of the polarizer section; a third waveguide coupled to the second divided waveguide portion of the polarizer section; and a dielectric insert. The dielectric insert includes a first dielectric portion partially filling the polarizer section. ... Viasat Inc

09/14/17 / #20170262004

Adaptive voltage scaling circuitry

A circuit may include a first voltage regulator to supply a main circuit and a second voltage regulator to supply a test circuit. The test circuit may produce a test signal having a characteristic dependent on the second regulated supply voltage. ... Viasat Inc

09/07/17 / #20170256864

Multi-band, dual-polarization reflector antenna

An antenna may include a reflector and a multi-band feed assembly. A support member may be coupled to the multi-band feed assembly to orient the multi-band feed assembly for direct illumination of the reflector. ... Viasat Inc

08/31/17 / #20170251381

Dynamic signal quality criteria for satellite terminal installations

The described features generally relate to determining dynamic signal quality criteria for an installation of satellite terminals for communications in a satellite communications system. In particular, the signal quality criteria for an installation may be based on an identified position of the satellite terminal to be installed, and in some examples based on the positions and signal characteristics of neighboring satellite terminals that have already been installed. ... Viasat Inc

08/31/17 / #20170250455

Multi-beam bi-focal shaped reflector antenna for concurrent communication with multiple non-collocated geostationary satellites and associated method

In one embodiment, a multi-beam antenna is described. The multi-beam antenna includes a reflector having a single reflector surface defining a first focal region and a second focal region. ... Viasat Inc

08/24/17 / #20170245298

Methods and systems for establishing in-flight network traffic policies for personal electronic devices

Methods and systems establish a traffic policy for a personal electronic device based on one or more physical characteristics of the device. In some aspects, a database of traffic policies is maintained. ... Viasat Inc

08/24/17 / #20170244326

Multi-output regulator with joint feedback

A multi-output switched mode power supply may include a power circuit and a controller to control the power circuit. A combiner circuit may produce a single feedback signal based on the regulated output voltages produced by the switched mode power supply.. ... Viasat Inc

08/17/17 / #20170237155

System and apparatus for driving antenna

A multiple-antenna positioning system with a single drive element, providing reduced weight and complexity over systems that have a drive element for each antenna. In certain examples, each antenna can be coupled with a rotating spindle, with each antenna spindle being coupled with a pair of link arms. ... Viasat Inc

08/03/17 / #20170223080

Systems and methods for managing content distribution to an in-transit media system

Embodiments relate to methods and systems for managing media content distribution rights to a media client on a craft to ensure that the distribution of media content items is consistent with media content distribution rights.. . ... Viasat Inc

07/27/17 / #20170214659

Methods and apparatus for providing a secure overlay network between clouds

A process capable of automatically establishing a secure overlay network (“son”) across different clouds is disclosed. The process, in one aspect, receives a first request from a first node in a first cloud for establishing a son. ... Viasat Inc

07/27/17 / #20170214455

Paired-beam transponder satellite communication

Systems and methods are described for paired-beam satellite communications in a flexible satellite architecture. Embodiments include one or more “bent pipe” satellites having multiple transponders for servicing a number of spot beams. ... Viasat Inc

07/27/17 / #20170214107

Partial dielectric loaded septum polarizer

In an example embodiment, a waveguide device comprises: a first common waveguide; a polarizer section, the polarizer section including a conductive septum dividing the first common waveguide into a first divided waveguide portion and a second waveguide divided portion; a second waveguide coupled to the first divided waveguide portion of the polarizer section; a third waveguide coupled to the second divided waveguide portion of the polarizer section; and a dielectric insert. The dielectric insert includes a first dielectric portion partially filling the polarizer section. ... Viasat Inc

07/27/17 / #20170212243

Determining an attenuation environment of a satellite communication terminal

Described techniques and apparatuses relate to determining an attenuation environment surrounding a satellite terminal in a satellite communication system. The satellite terminal may receive signals from an auxiliary satellite system, and determine aspects of an attenuation environment that may affect communications with a communications satellite system. ... Viasat Inc

07/20/17 / #20170206351

Mobile device security monitoring and notification

A mobile computing device security client that monitors and detects inconsistencies in device security is described. The security client may provide a notification and/or perform an actuation in response to detection of a change in operating conditions of a mobile computing device that is inconsistent with security policies for the mobile computing device. ... Viasat Inc

06/22/17 / #20170179597

Multi-band antenna for communication with multiple co-located satellites

The present disclosure describes a multi-band antenna having a horn configured to communicate signals in a first frequency band and a second frequency band, an in-line feed, and sidewall feeds. The in-line feed may be coupled to an in-line opening in the horn to communicate signals in the first frequency band. ... Viasat Inc

05/18/17 / #20170141478

Waveguide device with sidewall features

Methods, systems, and devices are described that include one or more sidewall features to improve performance of a waveguide device. In particular, the sidewall features may be utilized within a polarizer section of a polarizer device such as a septum polarizers. ... Viasat Inc

05/04/17 / #20170126521

Methods and systems for monitoring an access network utilizing mobile network equipment

Methods and systems for monitoring the performance of an access network utilizing mobile network equipment are provided. In some aspects, a network performance monitoring unit is installed within a vessel receiving network service from a network service provider. ... Viasat Inc

04/27/17 / #20170118721

Adaptive data rate control for narrowcast networks

A system to provide narrowcast communications uses adaptive data rate control to individual subscribers such that the effects of precipitation or other link conditions, which are not common to all subscribers, is mitigated. The invention takes advantage of the fact that the narrowcast data consist of packets which are individually addressed to specific subscribers, or groups of subscribers. ... Viasat Inc

04/27/17 / #20170117953

Layer-2 extension services

Methods, apparatuses, and systems for providing layer-2 extension services through a non-routed ground segment network, are described. The method includes providing a layer-2 (l2) interface between a node of the non-routed ground segment network and a service provider, assigning a virtual tagging tuple to the service provider and receiving service provider traffic at a node of the non-routed ground segment network. ... Viasat Inc

04/27/17 / #20170117637

Compact waveguide power combiner/divider for dual-polarized antenna elements

A waveguide architecture for a dual-polarized antenna including multiple antenna elements. Aspects are directed to dual-polarized antenna architectures where each antenna element includes a polarizer having an individual waveguide with dual-polarization signal propagation and divided waveguides associated with each basis polarization. ... Viasat Inc

04/27/17 / #20170117606

Apparatuses for mounting an antenna assembly

Methods, systems, and devices are described for mounting an antenna assembly to a vehicle, whereby rotational degrees of freedom between the antenna assembly and the vehicle are constrained. For example, an antenna mount may employ an intermediate structure between the antenna assembly and the vehicle. ... Viasat Inc

04/20/17 / #20170111104

Mobility across satellite beams using l2 connectivity

Systems and methods for providing mobility across satellite beams, are described. The system includes a first core node, a second core node in communication with the first core node at layer-2 of the osi model (l2), and a first gateway in communication, at l2, with the first core, the first gateway configured to provide access to a first spot beam at a first location. ... Viasat Inc

04/06/17 / #20170099227

Popularity-aware bitrate adaptation of linear programming for mobile communications

Embodiments provide popularity-based adaptive bitrate management of linear programming over constrained communications links. Embodiments can operate in context of a communications network communicating with multiple mobile client devices disposed in one or more transport craft. ... Viasat Inc

03/16/17 / #20170077610

Waveguide feed network architecture for wideband, low profile, dual polarized planar horn array antennas

A waveguide structure for a compact and scalable dual-polarized antenna array. In one example, a waveguide device comprises septum polarizers dividing common waveguides into first waveguides associated with a first polarization and second waveguides associated with a second polarization. ... Viasat Inc

03/16/17 / #20170077585

Multiple-assembly antenna positioner with eccentric shaft

Methods, systems, and devices are described for an antenna positioning apparatus, which includes a multiple-assembly positioner for adjusting a positioning angle about a positioning axis. The multiple-assembly positioner has two or more positioning assemblies that are coupled in series between a base structure and a positioning structure. ... Viasat Inc

03/09/17 / #20170069972

Partially dielectric loaded antenna elements for dual-polarized antenna

A partially dielectric loaded divided horn waveguide device for a dual-polarized antenna is described. The partially dielectric loaded divided horn waveguide device may include a polarizer, a waveguide horn, multiple individual waveguides dividing a horn port of the waveguide horn, and multiple dielectric elements partially filling the individual waveguides. ... Viasat Inc

03/02/17 / #20170063656

Methods and systems for transportation vessel network communication service anomaly detection

Methods and systems for detecting an anomaly with a communication service provided to a transportation vessel along a travel route are disclosed. In some aspects, performance metrics are obtained for a monitored vessel while the travel is in progress. ... Viasat Inc

02/23/17 / #20170054426

Equalization of frequency-dependent gain

Systems, devices, and methods for determining and establishing frequency-dependent gain compensation in wide bandwidth communication systems are disclosed. Variable frequency-dependent gain compensation circuits, or variable equalizers, have settings that configure them to establish discrete frequency-dependent gain compensation. ... Viasat Inc

02/23/17 / #20170054222

Multi-beam active phased array architecture with independent polarization control

In an exemplary embodiment, a phased array antenna comprises multiple subcircuits in communication with multiple radiating elements. The radio frequency signals are independently adjusted for both polarization control and beam steering. ... Viasat Inc

02/16/17 / #20170047986

Managed time division duplexed baseband signaling

The present disclosure relates to one or more techniques for communicating across multiple nodes using a single communication link. In certain embodiments, the nodes may be an indoor unit and an outdoor unit of a satellite user terminal for a satellite system. ... Viasat Inc

02/16/17 / #20170047661

Waveguide device with septum features

Methods, systems, and devices are described that include one or more septum features to improve performance of a waveguide device. In particular, the septum features may be utilized within a polarizer section of a polarizer device such as a septum polarizers. ... Viasat Inc

02/16/17 / #20170047653

Method and apparatus for beam-steerable antenna with single-drive mechanism

In one embodiment, an antenna assembly is described. The antenna assembly includes and antenna and an antenna positioner coupled to the antenna. ... Viasat Inc

02/16/17 / #20170045623

Satellite antenna with sensor for line-of-sight detection

Determining alignment and clear line-of-sight (los) of a satellite antenna using sensor data from an los sensor of the satellite antenna. Described techniques include storing first sensor data captured by the los sensor at a first time, the first sensor data indicating a first los condition of the satellite antenna corresponding to the satellite antenna having a beam los with a satellite of the satellite communication system that is aligned and unobstructed. ... Viasat Inc

02/09/17 / #20170041088

Validation of a two-way satellite communication system without utilizing a satellite

Disclosed is a method and apparatus for validating a two-way satellite communication system in an aircraft. The two-way satellite communication system may include a network access unit, a modem, and a satellite antenna assembly. ... Viasat Inc

02/02/17 / #20170034256

Opportunistic content delivery using delta coding

Systems and methods are described for avoiding redundant data transfers using delta coding techniques when reliably and opportunistically communicating data to multiple user systems. According to embodiments, user systems track received block sequences for locally stored content blocks. ... Viasat Inc

01/26/17 / #20170026433

Internet protocol broadcasting

Methods, apparatuses, and systems are provided for improving utilization of a communications system through various atom-based techniques for enhancing the viewing experience for internet protocol content. Some embodiments exploit atom-based processing to determine which content atoms to broadcast (e.g., multicast) over which channels to which subscribers. ... Viasat Inc

01/26/17 / #20170025752

Hemispherical azimuth and elevation positioning platform

An antenna positioner, and methods of positioning using the antenna positioner, that may track a satellite are described. An antenna positioner may include a base and a mount rotatably coupled to the base to turn the mount about an azimuth axis. ... Viasat Inc








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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